Pressure Transducer includes microprocessor compensation.
June 18, 2008 -
Able to output digital and analog signals, OmniSens(TM) incorporates micro-machined pressure sensor as well as microprocessor with embedded ADC and DAC. Third-order regression polynomial algorithm compensates for pressure die nonlinearity and temperature dependency, while 5-point spline algorithm compensates for internal errors of DAC and linearizes digital temperature output. Microprocessor allows re-zero and re-span of transducer using pushbuttons or computer control.
Sensor Systems LLC Announces the Newest Version of the Unique, High Performance OmniSens(TM) Microprocessor Compensated Micro-Machined Pressure Sensor.
St. Petersburg, FL USA - OmniSens(TM) is a line of high accuracy pressure transducers that incorporate microprocessor technology to give unprecedented reliability, flexibility and value.
The OmniSens(TM) is a pressure transducer that incorporates a micro-machined pressure sensor and a microprocessor with an embedded ADC (analog to digital converter) and DAC (digital to analog converter). The microprocessor software employs a third-order regression polynomial algorithm to compensate the pressure die nonlinearity and temperature dependency. A 5-point spline algorithm is used to compensate for the internal errors of the DAC and to linearize the digital temperature output. The software compensation approach results in a significant improvement in accuracy and performance of the product.
The microprocessor allows easy Re-zero and Re-span of the transducer using either pushbuttons or computer control. The Re-zero on Command allows instant zero offset calibration. The Re-span on Command allows a transducer's full span output (FSO) to be set to various pressure ranges.
Each OmniSens(TM) pressure transducer outputs a Digital and an Analog signal. Various analog output signals are available as standard. The Digital output has standard UART (Universal Asynchronous Receiver Transmitter) duplex hardware features and provides data flow in digital framed format.
The Digital data flow includes:
o Compensated pressure value
o Compensated ambient temperature value
o Transducer identity and specification values Company Information: Name: Sensor Systems, LLC Address: 2800 Anvil St. N. City: St. Petersburg State: FL ZIP: 33710 Country: USA Phone: 727-347-2181 FAX: 727-347-7520 http://www.vsensors.com
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